Anti-Estrogen Receptor-a (Ab-118) Antibody

Raised in rabbit against the Ab-118 epitope region of human Estrogen Receptor-α, this unconjugated polyclonal reagent is supplied by Antibodies.com as a 100 µl aliquot suitable for Western blot, immunohistochemistry, and immunofluorescence workflows. The antibody recognizes the native ERα transcription factor and is reactive with human samples, making it a practical choice for studies of estrogen signaling in breast cancer research, hormone-responsive tissue analysis, and receptor localization in fixed or frozen sections. Because the reagent is unconjugated, laboratories can pair it with their preferred HRP- or fluorophore-labeled secondary antibody to match a given detection platform, from chemiluminescent immunoblotting to multi-color IF imaging. Recommended storage at -20 °C in working aliquots helps preserve activity across repeated freeze-thaw cycles, and the polyclonal format provides tolerance for minor conformational variation at the immunogen site.